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Regency P42-3 Zero Clearance Direct Vent Gas Fireplace
14
INSTALLATION
RIGID PIPE VENTING ARRANGEMENTS - HORIZONTAL TERMINATIONS
REGENCY DIRECT VENT SYSTEM (FLEX) - Propane & Natural Gas
The diagram below shows examples of horizontal termination arrangements using two 90
o
elbows.
All Rigid Pipe Systems
4" inner diameter
6-5/8" outer diameter
Regency Flex Vent
4" inner diameter
6-7/8" outer diameter
• Maintain a 1-1/4" clearance to
combustibles for rigid pipe systems
and 1-1/2" for Regency Flex Vent.
• Horizontal vent must be supported every
3 feet
• Firestops are required at each floor
level and whenever passing through a
wall.
A vent guard may be required, check local codes.
If length "B" is increased, length "A" must be decreased by a corresponding amount.
Note: Regency Direct Vent System (Flex) is
only approved for horizontal termina-
tions.
Note: 1) A maximum of two 90
o
elbows are permitted (two 45
o
elbows equal one 90
o
elbow).
2) A minimum of 6 ft.(1.8m) vertical from base of unit is required if two 90
o
elbows are used.
3) Minimum distance between elbows is 2 ft. (0.6m).
For All Horizontal Terminations